Finding the Fourth Proportional to 638,194.19, 880,707.93 and 351,714.26
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Solution
The fourth proportional to 638,194.19, 880,707.93 and 351,714.26 is: 485,365.65
Step by Step Solution
- Step 1: Write the proportion equation
638,194.19 : 880,707.93 = 351,714.26 : x - Step 2: Convert to fraction form
638,194.19/880,707.93 = 351,714.26/x - Step 3: Cross multiply
638,194.19x = 880,707.93 × 351,714.26 - Step 4: Simplify right side
638,194.19x = 309,757,533,472.54 - Step 5: Solve for x
x = 309,757,533,472.54/638,194.19 - Step 6: Final answer
x = 485,365.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.